Cov txheej txheem:
- Kuv yuav tsum hnav dab tsi thaum sib tsoo hlau?
- Lub tshuab pa zoo tshaj plaws rau kev sib tsoo hlau yog dab tsi?
- Koj puas tuaj yeem mob los ntawm kev sib tsoo hlau?
- Puas yog kev zom hlau tsis muaj daim npog ntsej muag?
Video: Yuav hnav dab tsi thaum sib tsoo hlau?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kuv yuav siv lub tshuab ua pa zoo li cas rau kev sib tsoo? Qhov tsawg kawg nkaus nws raug pom zoo kom koj siv lubhaum ib nrab-lub ntsej muag ua pa nrog P2 cov lim dej uas haum Rau lub npog qhov ncauj tsis zoo kom ua tau zoo: Cov lim dej kom raug yuav tsum haum rau lub ntsej muag, thiab nyob zoo.
Kuv yuav tsum hnav dab tsi thaum sib tsoo hlau?
Tiv thaiv koj lub ntsej muag thiab ob lub qhov muag:
tsom iav kev nyab xeeb thiab daim npog ntsej muagyog qhov tseem ceeb los tiv thaiv cov pa phem hauv huab cua thiab cov chips hlau tsim hauv kev sib tsoo, thiab lawv yuav tsum tau siv. ua ke rau kev tiv thaiv tag nrho. Tsis txhob siv daim npog ntsej muag ib leeg thaum sib tsoo.
Lub tshuab pa zoo tshaj plaws rau kev sib tsoo hlau yog dab tsi?
Fumes uas tsim los ntawm cov vuam yooj yim ntawm cov hlau lossis hlau feem ntau tuaj yeem thaiv los ntawm kev hnav yooj yim N95 daim npog qhov ncaujxws li 3M 8212 N95 Vuam Cov Particle Respirator los yog nce qib, ib qho N99 daim npog qhov ncauj xws li Moldex Premium Disposable Vuam Respirator. Ob leeg ntawm no muaj exhalation li qub kom lub ntsej muag txias.
Koj puas tuaj yeem mob los ntawm kev sib tsoo hlau?
Cov pa hluav taws xob tau yooj yim nqus tau, ua rau kiv taub hau thiab xeev siab Yog tias koj raug rau lawv lub sijhawm ntev, txawm tias me me, lawv tuaj yeem ua rau lub ntsws puas, thiab mob qog noj ntshav. lub ntsws, larynx, thiab urinary ib ntsuj av. Lawv kuj ua rau cov hlau fume kub taub hau, mob plab, mob raum, thiab puas tsuaj rau lub hauv paus paj hlwb.
Puas yog kev zom hlau tsis muaj daim npog ntsej muag?
Nws tuaj yeem, txawm hais tias qhov uas neeg feem coob hais yog qhov tseeb ntawm no. Cov khoom siv hlau los ntawm kev sib tsoo cov hlau zoo tib yam feem ntau yog qhov teeb meem kom hniav zoo nkauj thiab khaus. Nco ntsoov tias kev kis tau ntev ntev tuaj yeem ua rau muaj teeb meem loj dua, qee qhov yog qhov loj.
Pom zoo:
Cov hlau kub npaum li cas thaum sib tsoo?
Lubricity ntau dua ntawm cov ceramics txo qhov kub thiab txias vim muaj kev sib txhuam zoo li kev sib tsoo lossis txiav. Cov khoom kub uas tshem tawm ntawm cov hlau tuaj yeem ncav cuag qhov kub ntawm txog 1100 deg. C nyob rau hauv ib txwm txiav lossis sib tsoo ua haujlwm .
Lub tshuab sib tsoo hlau siv rau dab tsi?
Lub log sib tsoo yog lub log siv rau sib tsooSib tsoo lub log yog tsim los ntawm cov khoom sib txuas thiab siv rau ntau yam sib tsoo (abrasive txiav) thiab kev ua haujlwm abrasive. Cov log zoo li no yog siv hauv kev sib tsoo tshuab. Cov log feem ntau yog ua nrog cov khoom sib xyaw .
Cov hnub qub puas yuav sib tsoo thaum galaxies sib koom ua ke?
Qhov ntawd yog vim cov hnub qub hauv galaxies sib cais los ntawm qhov deb zoo li no. Yog li cov hnub qub lawv tus kheej feem ntau tsis sib tsoo thaum galaxies sib koom ua ke… Txoj Kev Milky muaj txog 300 billion hnub qub. Lub hnub qub los ntawm ob lub galaxies yuav muab pov rau hauv lub orbits tshiab nyob ib ncig ntawm lub chaw tshiab galactic .
Yuav kev sib tsoo cover tsoo thiab khiav?
Kev sib tsoo pab them nyiaj kho koj lub tshebyog tias koj tsoo lwm lub tsheb (lossis lwm lub tsheb tsoo koj lub tsheb), tsis hais qhov txhaum. Yog li yog tias koj yog tus neeg raug tsim txom los ntawm kev sib tsoo thiab khiav, koj tuaj yeem thov rau koj tus kheej txoj cai pov hwm tsheb seb tus neeg tsav tsheb puas pom lossis tsis pom .
Dab tsi yog qhov sib txawv ntawm kev sib tsoo?
The Orient yog ib lo lus rau sab hnub tuaj, ib txwm suav nrog txhua yam uas nyob rau sab hnub tuaj ntiaj teb, cuam tshuam rau Europe. Nws yog lub ntsiab lus ntawm Occident, Western Ntiaj Teb . occidental txhais li cas? 1: ntawm, hais txog, los yog nyob hauvTus Txheej Txheem:
